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Finding the Third Proportional to 28,464 and 45,576

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Solution

The third proportional to 28,464 and 45,576 is: 72,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,464 : 45,576 = 45,576 : x
  2. Step 2: Convert to fraction form
    28,464/45,576 = 45,576/x
  3. Step 3: Cross multiply
    28,464x = 45,576 × 45,576
  4. Step 4: Simplify right side
    28,464x = 2,077,171,776
  5. Step 5: Solve for x
    x = 2,077,171,776/28,464
  6. Step 6: Final answer
    x = 72,975.40

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.